firewall
(noun) (colloquial) the application of maximum thrust; “he moved the throttle to the firewall”
firewall
(noun) a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle
firewall
(noun) (computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet
Source: WordNet® 3.1
firewall (plural firewalls)
(architecture) A fireproof barrier used to prevent the spread of fire between or through buildings, structures, electrical substation transformers, or within an aircraft or vehicle.
Coordinate terms: firestop, fire block
(computer security) The software that monitors traffic in and out of a private network or a personal computer and allows or blocks such traffic depending on its perceived threat.
(physics) A hypothetical phenomenon where an observer falling into a black hole encounters high-energy quanta at or near the event horizon.
firewall (third-person singular simple present firewalls, present participle firewalling, simple past and past participle firewalled)
(transitive, computer security) To protect with a firewall.
(transitive, computer security) To block with a firewall.
(intransitive, motor vehicles or aircraft, slang) To use maximum acceleration.
Source: Wiktionary
2 April 2025
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
Espresso is both a coffee beverage and a brewing method that originated in Italy. When making an espresso, a small amount of nearly boiling water under pressure forces through finely-ground coffee beans. It has more caffeine per unit volume than most coffee beverages. Its smaller serving size will take three shots to equal a mug of standard brewed coffee.
